Grade 203 Insulating Cement was a Ruberoid and GAF insulating cement.1 As the U.S. Environmental Protection Agency published the company's account in 1990, it was "a 100% chrysotile cement" with a screen test of approximately 0–0–1–16, which made it the lowest grade cement sold by Ruberoid/GAF.1 GAF's 1989 filing under the Asbestos Information Act, made for itself and The Ruberoid Co., gives its temperature limit as 1200 degrees F, and includes a formula for it dated 1938.2
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Asbestos claims
If you or a family member worked with or around Grade 203 Insulating Cement (GAF) and later developed mesothelioma or another asbestos disease, a claim may be paid by the G-I Holdings (GAF) asbestos trust. Free case review.
The formulas
The 1 formula documents give for Grade 203 Insulating Cement (GAF), each with its ingredients and amounts exactly as printed. Amounts are by weight unless the document says otherwise; a total that doesn't come to 100 is the document's own.
Grade 203 Insulating Cement · 1938
“The formula for this cement is unknown except that in 1938 it consisted of:”
| Constituent | Amount |
|---|---|
| chrysotile | 68.5% |
| clay | 27.0% |
| Portland cement | 4.5% |
Source: GAF Asbestos Information Act Submission (1989), p. 332
What each document says
Every statement about Grade 203 Insulating Cement (GAF) in the documents, in each document's own words.
Asbestos; Publication of Identifying Information (1990)
- Asbestos fiber: “100% chrysotile”, said by GAF Building Materials Corporation, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 91
- Asbestos content: “a 100% chrysotile cement”, said by GAF Building Materials Corporation, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 91
- Fiber grade: “a screen test of approximately 0–0–1–16 which made it the lowest grade cement sold by Ruberoid/GAF”, said by GAF Building Materials Corporation, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 91
GAF Asbestos Information Act Submission (1989)
- Temperature limit: “its temperature limit was 1200 degrees F”, p. 332
See also
- GAF: the company's history, documents, people, products and plants
- GAF on our products page: what the documents say about the company's asbestos products, with sources
References
- Asbestos; Publication of Identifying Information (February 13, 1990), p. 9.
- GAF Asbestos Information Act Submission (October 6, 1989), p. 33.
Cite this page
“Grade 203 Insulating Cement (GAF).” AsbestosClaims.Law Library. https://asbestosclaims.law/library/products/gaf-grade-203-insulating-cement.
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